Implemented a TreeMap class that utilizes parent pointers and a dummy root node for efficient tree navigation and operations. The TreeMap class implements the Map interface and provides standard map ...

Hashmap Linked Hashmap TreeMap A hash map is good as a general-purpose map implementation that provides rapid storage and retrieval operations. However, it falls short because of its chaotic and ...

Either way, the TreeMap has contains the 2 classes. I had to move them out to seperate class files. (rather than subclasses).<BR><BR>Now it loads and saves fine.

The TreeMap in Java is a powerful data structure that is used for sorting and associating values with keys. It’s easy to create, modify, and iterate over a TreeMap in Java.